Characteristic components in TCM Standards

Verbenone (Standard) is the analytical standard of Verbenone. This product is intended for research and analytical applications. Verbenone ((-)-Verbenone) is a natural terpene in leaves of the tree, Verbena officinalis. Verbenone has anti-aggregation pheromone and interrupts the attraction of bark beetles to their aggregation pheromones.

Thiocolchicoside (Standard) is the analytical standard of Thiocolchicoside. This product is intended for research and analytical applications. Thiocolchicoside is a competitive γ-aminobutyric acid type A (GAB_AA) receptor antagonist and glycine receptor agonist in the central nervous system. Thiocolchicoside is a semisynthetic sulfur derivative of colchicoside. Thiocolchicoside is a muscle relaxant and has anti-inflammatory, and analgesic properties.

Synephrine (hydrochloride) (Standard) is the analytical standard of Synephrine (hydrochloride). This product is intended for research and analytical applications. Synephrine (Oxedrine) hydrochloride, an alkaloid, is an α-adrenergic and β-adrenergic agonist derived from the Citrus aurantium. Synephrine hydrochloride is a sympathomimetic compound and can be used for weight loss.

Ajmaline (Standard) is the analytical standard of Ajmaline. This product is intended for research and analytical applications. Ajmaline (Cardiorythmine) is a sodium channel blocking, class 1A anti-arrhythmic agent. Ajmaline blocks HERG currents with an IC₅₀ of 1 μM in HEK cells and 42.3 μM in Xenopus oocytes. Ajmaline can be used for the research of the ventricular tachyarrhythmia.

Trioxsalen (Standard) is the analytical standard of Trioxsalen. This product is intended for research and analytical applications. Trioxsalen (Trisoralen), a psoralen derivative, is a photochemical DNA crosslinker. Trioxsalen only works after photoactivation with near ultraviolet light. Trioxsalen is a photosensitizer that can be used for the research of vitiligo and hand eczema. Trioxsalen is used for visualization of genomic interstrand cross-links localized by laser photoactivation.

Lanatoside C (Standard) is the analytical standard of Lanatoside C. This product is intended for research and analytical applications. Lanatoside C is a cardiac glycoside, can be used in the treatment of congestive heart failure and cardiac arrhythmia.Lanatoside C has an IC50 of 0.19 μM for dengue virus infection in HuH-7 cells. Lanatoside C can effectively inhibit all four serotypes of dengue virus, flavivirus Kunjin, alphavirus Chikungunya, Sindbis virus and the human enterovirus 71.

Vincamine (Standard) is the analytical standard of Vincamine. This product is intended for research and analytical applications. Vincamine is a monoterpenoid indole alkaloid extracted from the Madagascar periwinkle. Vincamine is a peripheral vasodilator and exerts a selective vasoregulator action on the brain microcapilar circulation. Vincamine is a GPR40 agonist and acts as a β-cell protector by ameliorating β-cell dysfunction and promoting glucose-stimulated insulin secretion (GSIS). Vincamine improves glucose homeostasis in vivo, and has the potential for the type 2 diabetes mellitus (T2DM) research.

Hydroquinidine (Standard) is the analytical standard of Hydroquinidine. This product is intended for research and analytical applications. Hydroquinidine (Dihydroquinidine) is a derivative of Quinidine (an antiarrhythmic agent). Hydroquinidine prolongs the QT interval and has antiarrhythmic efficacy.

Vidarabine (Standard) (Ara-A (Standard)) is the analytical standard of Vidarabine (HY-B0277). This product is intended for research and analytical applications. Vidarabine (Ara-A) is a Purine nucleoside derivative and Antiviral agent. The triphosphate derivative of Vidarabine competitively inhibits DNA polymerase, incorporates into the terminus of elongating DNA molecules, and interferes with the early steps of viral DNA synthesis. Vidarabine inhibits the replication of herpes simplex virus, varicella-zoster virus, cytomegalovirus, Epstein-Barr virus and vaccinia virus, reduces viral shedding, and accelerates skin healing. Vidarabine is metabolized to arabinosyl hypoxanthine, causes minimal impairment of corneal wound healing in rabbit models, and is associated with recurrence of herpes simplex encephalitis. Vidarabine can be used in the research of herpetic keratoconjunctivitis, herpes simplex encephalitis, herpetic uveitis, and chronic active hepatitis associated with hepatitis B virus.

Cabazitaxel (Standard) is the analytical standard of Cabazitaxel. This product is intended for research and analytical applications. Cabazitaxel is a semi-synthetic derivative of the natural taxoid 10-deacetylbaccatin III with potential antineoplastic activity.

Raloxifene (Standard) is the analytical standard of Raloxifene. This product is intended for research and analytical applications. Raloxifene (Keoxifene) is a benzothiophene-derived selective estrogen receptor modulator (SERM). Raloxifene has estrogen-agonistic effects on bone and lipids and estrogen-antagonistic effects on the breast and uterus. Raloxifene is used for breast cancer and osteoporosis research.

Deserpidine (Standard) is the analytical standard of Deserpidine. This product is intended for research and analytical applications. Deserpidine (Harmonyl) is an alkaloid isolated from the root of Rauwolfia canescens related to Reserpine. Deserpidine is used as an antihypertensive agent and a tranquilizer. Deserpidine is a competitive angiotensin converting enzyme (ACE) inhibitor. Deserpidine also decreases angiotensin II-induced aldosterone secretion by the adrenal cortex.

4-Hydroxymephenytoin (Standard) is the analytical standard of 4-Hydroxymephenytoin. This product is intended for research and analytical applications. 4-Hydroxymephenytoin is a metabolism of an antiepileptic agent mephenytoin, which is used as a CYP2C19 substrate.

(+)-Neomenthol (Standard) is the analytical standard of (+)-Neomenthol. This product is intended for research and analytical applications. (+)-Neomenthol is a potent miticide. (+)-Neomenthol shows acaricidal activitie with LD50 values of 0.32, 0.256 µg/mL for Dermatophagoides farinae and Dermatophagoides pteronyssinus, respectively[1].